<template>
  <div>
    <!-- 列表 -->
    <!-- 
          data:数据
          row-key：一行的唯一标识
          border：加边框
           default-expand-all:默认展开所有数据
          default-expand-all：默认展开所有数据
           :tree-props="{ children: '由哪个字段来判断是否有子节点' }"
    -->

    <el-table
      :data="list"
      style="width: 100%;"
      row-key="id"
      border
      :tree-props="{children: 'children'}"
    >
      <el-table-column prop="id" label="商品编号" sortable width="180"></el-table-column>
      <el-table-column prop="goodsname" label="商品名称" sortable width="180"></el-table-column>
      <el-table-column prop="price" label="商品价格" sortable width="180"></el-table-column>
      <el-table-column prop="market_price" label="市场价格" sortable width="180"></el-table-column>
      <el-table-column label="图片">
        <!-- 作用域插槽 -->
        <template slot-scope="scope">
          <img :src="$pre + scope.row.img" alt />
        </template>
      </el-table-column>
      <el-table-column label="是否新品">
        <template slot-scope="scope">
          <el-button type="primary" v-if="scope.row.isnew==1" @click="handleEdit(scope)">是</el-button>
          <el-button type="danger" v-else>否</el-button>
        </template>
      </el-table-column>

      <el-table-column label="是否热卖">
        <template slot-scope="scope">
          <el-button type="primary" v-if="scope.row.ishot==1" @click="handleEdit(scope)">是</el-button>
          <el-button type="danger" v-else>否</el-button>
        </template>
      </el-table-column>
      <el-table-column label="状态">
        <template slot-scope="scope">
          <el-button type="primary" v-if="scope.row.status==1" @click="handleEdit(scope)">启用</el-button>
          <el-button type="info" v-else>禁用</el-button>
        </template>
      </el-table-column>
      <el-table-column prop="address" label="操作" width="180">
        <template slot-scope="scope">
          <el-button type="primary" @click="handleEdit(scope)">编辑</el-button>
          <!-- <el-button type="danger" @click="handleDelete(scope)">删除</el-button> -->
          <!-- 绑定 comfirm -->
          <del-btn @comfirm="del(scope)"></del-btn>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页 -->
    <!-- 总数：:total="50"   一页的数量：:page-size="3"  绑定事件 @change=changePage-->
    <el-pagination
      background
      layout="prev, pager, next"
      :total="total"
      :page-size="size"
      @current-change="changePage"
    ></el-pagination>
    <!-- @current-change="changePage" -->
  </div>
</template>

<script>
// 1.从仓库中获取到商品的列表
import {reqgoodsdelete} from "../../../http/api";
import { successAlert } from "../../../utils/alert";

// 2.引入辅助函数
import { mapGetters, mapActions } from "vuex";
export default {
  data() {
    return {};
  },
  computed: {
    ...mapGetters({
      // 3.取到商品的列表
      list: "goods/list",
      //  1.取出总数，
      total: "goods/total",
      // 取出一页的数量
      size: "goods/size"
    })
  },
  methods: {
    ...mapActions({
      // 4.取到了修改商品的方法
      // 请列表 + 请总数
      reqList: "goods/reqList",
      reqgoodstotal: "goods/reqTotal",
      // 传到仓库作分页
      changePage: "goods/changePage"
    }),
    handleEdit(scope) {
      //   console.log(scope);
      //   scope.$index 下标
      // scope.row 那条数据 item
      // 通知父组件,并且将这行的id带上
      this.$emit("willUpdate", scope.row.id);
    },

    //封装删除组件
    async del(scope) {
      // console.log(scope.row);
      // 发删除请求
      let res = await reqgoodsdelete({
        id: scope.row.id
      });
      if (res.data.code == 200) {
        //弹成功
        successAlert(res.data.msg);
        //  重新获取list
        this.reqList();
      }
    }
  },
  mounted() {
    // 8.4 一进页面就发请求
    this.reqList();
    // 得到了总数
    this.reqgoodstotal();
  }
};
</script>

<style scoped>
img {
  width: 80px;
  height: 80px;
}
</style>